Add support for the Macintosh Library Modules document.
diff --git a/Doc/html/Makefile b/Doc/html/Makefile
index 3b0aa05..9418d40 100644
--- a/Doc/html/Makefile
+++ b/Doc/html/Makefile
@@ -9,7 +9,7 @@
 
 all:	icons l2h
 
-l2h:	l2hapi l2hext l2hlib l2href l2htut
+l2h:	l2hapi l2hext l2hlib l2hmac l2href l2htut
 
 l2hapi:
 	$(MAKE) srcdir=.. VPATH=.. TEXINPUTS=$(TEXINPUTS) -f ../Makefile l2hapi
@@ -20,6 +20,9 @@
 l2hlib:
 	$(MAKE) srcdir=.. VPATH=.. TEXINPUTS=$(TEXINPUTS) -f ../Makefile l2hlib
 
+l2hmac:
+	$(MAKE) srcdir=.. VPATH=.. TEXINPUTS=$(TEXINPUTS) -f ../Makefile l2hmac
+
 l2href:
 	$(MAKE) srcdir=.. VPATH=.. TEXINPUTS=$(TEXINPUTS) -f ../Makefile l2href